Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California


Version #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 10:51:59 PM (PDT) on Thursday, September 10, 2026.
The magnitude 0.5 event occurred 5 km (3 miles) SSE of Redlands, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 0.5 - local magnitude (Ml)
Time Thursday, September 10, 2026 at 10:51:59 PM (PDT)
Friday, September 11, 2026 at 5:51:59 (UTC)
Distance from Redlands, CA - 5 km (3 miles) SSE (156 degrees)
Mentone, CA - 6 km (4 miles) SSW (203 degrees)
Loma Linda, CA - 10 km (6 miles) ESE (111 degrees)
Yucaipa, CA - 11 km (7 miles) W (260 degrees)
Calimesa, CA - 11 km (7 miles) WNW (288 degrees)
Coordinates 34 deg. 1.0 min. N (34.017N), 117 deg. 9.7 min. W (117.162W)
Depth 10.77 km (6.70 miles)
Quality Excellent
Location Quality Parameters Nst=27, Nph=43, Dmin=5.0 km, Rmss=0.14 sec, Erho=0.18 km, Erzz=0.46 km, Gp=83 degrees
Event ID# ci41544640
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